Foam dumbbell holder



FIG. 1 shows the front view of a foam dumbbell holder showing my new design, with the rear view being the mirror image thereof,

FIG. 2 shows the left side view thereof, with the right side view being the mirror image thereof,

FIG. 3 shows the top view thereof; and,

FIG. 4 shows the bottom view thereof. 

I claim the ornamental design for a foam dumbbell holder, as shown and described. 